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authorDavid S. Miller <davem@davemloft.net>2008-04-03 14:33:42 -0700
committerDavid S. Miller <davem@davemloft.net>2008-04-03 14:33:42 -0700
commit3bb5da3837cc1aa17736b05139c9a22c3794851a (patch)
treec92d5684a866542b1cb20641607ac1643ce03a47 /arch/powerpc/mm/hash_utils_64.c
parent7feb49c82a74bc7c091b8ab2a3f96baa33d08ece (diff)
parent9597362d354f8655ece324b01d0c640a0e99c077 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'arch/powerpc/mm/hash_utils_64.c')
-rw-r--r--arch/powerpc/mm/hash_utils_64.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 590f1f67c87..a83dfa3cf40 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -351,9 +351,14 @@ static void __init htab_init_page_sizes(void)
mmu_vmalloc_psize = MMU_PAGE_64K;
if (mmu_linear_psize == MMU_PAGE_4K)
mmu_linear_psize = MMU_PAGE_64K;
- if (cpu_has_feature(CPU_FTR_CI_LARGE_PAGE))
- mmu_io_psize = MMU_PAGE_64K;
- else
+ if (cpu_has_feature(CPU_FTR_CI_LARGE_PAGE)) {
+ /*
+ * Don't use 64k pages for ioremap on pSeries, since
+ * that would stop us accessing the HEA ethernet.
+ */
+ if (!machine_is(pseries))
+ mmu_io_psize = MMU_PAGE_64K;
+ } else
mmu_ci_restrictions = 1;
}
#endif /* CONFIG_PPC_64K_PAGES */